According to @FarsideUK, Grayscale’s US Bitcoin ETF (GBTC) recorded a daily net outflow of $318.2 million on Nov 13, 2025, based on the Farside Investors Bitcoin ETF Daily Flow tracker; source: Farside Investors (@FarsideUK), farside.co.uk/btc/. The reported negative flow reflects net redemptions for GBTC on the day under Farside’s tracking methodology; source: Farside Investors (@FarsideUK), farside.co.uk/btc/. For trading context and aggregate comparisons across US spot Bitcoin ETFs, consult the full dataset and disclaimers on Farside’s tracker; source: Farside Investors (@FarsideUK), farside.co.uk/btc/.